Postage meter



FIG. 1 is a top, front and right side perspective view of a postage meter which incorporates the new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

The bottom of the postage meter forms no part of the claimed design. 

The ornamental design for a postage meter, as shown and described. 